Sorry for OT post but this is a good group to query. Wondering if people have a recommend on a dedicated commercial or kit phaser. I am looking for one that is already very versitile or can be modded to produce a very long phase period (up to 60 seconds). Additionally, a sawtooth waveform would be super-cool as well. Most of the commercial pedals I have seen are not extreme enough for my purposes; some kits I have found online look promising; I have not investigated rackmount units yet.
Any suggestions are appreciated!!